The upfront treatment of metastatic renal cell carcinoma (mRCC) has been revolutionized by the introduction of immune-based combinations. The role of cytoreductive nephrectomy (CN) in these patients is still debated.
The ARON-1 study (NCT05287464) was designed to globally analyze real-world data of mRCC patients receiving first-line immuno-oncology combinations. This sub-analysis is focused on the role of upfront or delayed partial or radical CN in three geographical areas (Western Europe, Eastern Europe, America/Asia).
We conducted a multicenter retrospective observational study in mRCC patients treated with first-line immune combinations from 55 centers in 19 countries. From 1152 patients in the ARON-1 dataset, we selected 651 patients with de novo mRCC. 255 patients (39%) had undergone CN, partial in 14% and radical in 86% of cases; 396 patients (61%) received first-line immune-combinations without previous nephrectomy.
Median overall survival (OS) from the diagnosis of de novo mRCC was 41.6 months and not reached (NR) in the CN subgroup and 24.0 months in the no CN subgroup, respectively (P<0.001). Median OS from the start of first-line therapy was NR in patients who underwent CN and 22.4 months in the no CN subgroup (P<0.001). Patients who underwent CN reported longer OS compared to no CN in all the three geographical areas.
No significant differences in terms of patients' outcome seem to clearly emerge, even if the rate CN and the choice of the type of first-line immune-based combination varies across the different Cancer Centers participating in the ARON-1 project.
Minerva urology and nephrology. 2023 Aug [Epub]
Camillo Porta, Aristotelis Bamias, Roubini Zakopoulou, Zin W Myint, Nicolò Cavasin, Roberto Iacovelli, Martin Pichler, Jindrich Kopecky, Jakub Kucharz, Mimma Rizzo, Luca Galli, Thomas Büttner, Ugo DE Giorgi, Ravindran Kanesvaran, Ondřej Fiala, Enrique Grande, Paolo A Zucali, Ray M Kopp, Giuseppe Fornarini, Maria T Bourlon, Sarah Scagliarini, Javier Molina-Cerrillo, Gaetano Aurilio, Marc R Matrana, Renate Pichler, Carlo Cattrini, Tomáš Büchler, Francesco Massari, Veronica Mollica, Emmanuel Seront, Fabio Calabrò, Alvaro Pinto, Rossana Berardi, Anca Zgura, Giulia Mammone, Jawaher Ansari, Francesco Atzori, Rita Chiari, Orazio Caffo, Giuseppe Procopio, Kaisa Sunela, Maria Bassanelli, Cinzia Ortega, Francesco Grillone, Johannes Landmesser, Sara Merler, Carlo Messina, Zsófia Küronya, Alessandra Mosca, Dipen Bhuva, Daniele Santini, Nuno Vau, Franco Morelli, Lorena Incorvaia, Sara E Rebuzzi, Giandomenico Roviello, Andrey Soares, Ignacio O Zabalza, Alessandro Rizzo, Renato Bisonni, Francesco Pierantoni, Giulia Sorgentoni, Fernando S Monteiro, Nicola Battelli, Sebastiano Buti, Matteo Santoni
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